声明变量:
a = b"Hello World" #字节 b = "Hello World" #字符串
转换自如:
#字符串转字节的三种方式 print(str.encode(b)) #默认encoding="utf-8" print(bytes(b,encoding="utf-8")) print(b.encode()) #默认encoding="utf-8" #字节转字符串的3种方式 print(bytes.decode(a)) print(str(a,encoding="utf-8")) print(a.decode())